A Gloucestershire and Bristol Atlas - A selection of old maps and places from the 16th to the 19th century. Printed for the Bristol and Gloucestershire Archaeological Society. London and Bristol: Percy Lund, Humphries & Col Ltd., 1961

Adams, Charles Francis. Three Episodes of Massachusetts History. Boston and New York: Houghton, Mifflin and Company, The Riverside Press, 1892. (Digitized by Google.)

Arts and Entertainment (A&E): The History Channel. “The Great Ships, The Galleons,” video no. AAE-40042

Bancroft, George. History of the Colonization of the United States. Boston: Charles C. Little and James Brown, 1841. (Digitized by Google.)

Mariner’s Mirror, The Journal of the Society for Nautical Research. vol. 36, Cambridge: University Press, 1959

Pinkerton, John. Modern Geography: A Description of the Empires, Kingdoms, States, and Colonies; with the Oceans, Seas, and Isles; in all Parts of the World: Including the Most Recent Discoveries, and Political Alterations. Digested on a New Plan. Revised Edition. Printed for T. Cadell and W. Davies, Strand; and Longman, Hurst, Rees, Orme, and Brown, Paternoster-Row. Printed by A. Straban, Printers Street, London, 1817.[Google Books scan. Held in the Koninke Bibliotheca Teshage.]

Thacher, John Boyd. Christopher Columbus: his life, his work, his remains, As revealed by original, printed and manuscript records. G.P. Putnam’s Sons, New York and London, The Knickerbocker Press, 1903 [Book in Harvard University Library, scanned online through GoogleBooks]